Pith Number

pith:XWM6F3PE

pith:2009:XWM6F3PEXW5TPQEGJAADOCTVCX

not attested not anchored not stored refs pending

Construction of Codes for Wiretap Channel and Secret Key Agreement from Correlated Source Outputs by Using Sparse Matrices

Jun Muramatsu, Shigeki Miyake

arxiv:0903.4014 v2 · 2009-03-24 · cs.IT · cs.CR · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWM6F3PEXW5TPQEGJAADOCTVCX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:55:22.217023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd99e2ede4bdbb37c0864800370a7515e6902acbf6932f528bb7edf54d40a45a

Aliases

arxiv: 0903.4014 · arxiv_version: 0903.4014v2 · doi: 10.48550/arxiv.0903.4014 · pith_short_12: XWM6F3PEXW5T · pith_short_16: XWM6F3PEXW5TPQEG · pith_short_8: XWM6F3PE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XWM6F3PEXW5TPQEGJAADOCTVCX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bd99e2ede4bdbb37c0864800370a7515e6902acbf6932f528bb7edf54d40a45a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2137cfb8d52f02e1576da6af956fc4630aa869fdbf662d1d7e76647bccc4d321",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-03-24T05:29:04Z",
    "title_canon_sha256": "8ed9f0894de7a265e17bb8decd1515f12139dc9972158373628000150e616084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4014",
    "kind": "arxiv",
    "version": 2
  }
}